Home / 255,539.02-382,884.79-155,396.29

Finding the Fourth Proportional to 255,539.02, 382,884.79 and 155,396.29

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Solution

The fourth proportional to 255,539.02, 382,884.79 and 155,396.29 is: 232,836.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,539.02 : 382,884.79 = 155,396.29 : x
  2. Step 2: Convert to fraction form
    255,539.02/382,884.79 = 155,396.29/x
  3. Step 3: Cross multiply
    255,539.02x = 382,884.79 × 155,396.29
  4. Step 4: Simplify right side
    255,539.02x = 59,498,875,086.45
  5. Step 5: Solve for x
    x = 59,498,875,086.45/255,539.02
  6. Step 6: Final answer
    x = 232,836.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.